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Finding the Fourth Proportional to 92,424.59, 127,580.43 and 71,966.15

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Solution

The fourth proportional to 92,424.59, 127,580.43 and 71,966.15 is: 99,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,424.59 : 127,580.43 = 71,966.15 : x
  2. Step 2: Convert to fraction form
    92,424.59/127,580.43 = 71,966.15/x
  3. Step 3: Cross multiply
    92,424.59x = 127,580.43 × 71,966.15
  4. Step 4: Simplify right side
    92,424.59x = 9,181,471,724.54
  5. Step 5: Solve for x
    x = 9,181,471,724.54/92,424.59
  6. Step 6: Final answer
    x = 99,340.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.